Overview

Brief Summary

Fossil species

recent & fossil

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Ecology

Habitat

Depth range based on 99415 specimens in 195 taxa.
Water temperature and chemistry ranges based on 91122 samples.

Environmental ranges
  Depth range (m): 0 - 3780
  Temperature range (°C): -1.836 - 29.521
  Nitrate (umol/L): 0.008 - 45.289
  Salinity (PPS): 29.837 - 40.563
  Oxygen (ml/l): 0.056 - 9.061
  Phosphate (umol/l): 0.013 - 3.324
  Silicate (umol/l): 0.494 - 145.730

Graphical representation

Depth range (m): 0 - 3780

Temperature range (°C): -1.836 - 29.521

Nitrate (umol/L): 0.008 - 45.289

Salinity (PPS): 29.837 - 40.563

Oxygen (ml/l): 0.056 - 9.061

Phosphate (umol/l): 0.013 - 3.324

Silicate (umol/l): 0.494 - 145.730
 
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Wikipedia

Globigerina

Globigerina is a genus of planktonic Foraminifera that have populated the world's oceans since the Late Eocene.

Globigerina ooze[edit]

Vast areas of the ocean floor are covered with Globigerina ooze, dominated by the foraminiferous shells of Globigerina and other Globigerinida. The name was originally applied to mud collected from the bottom of the Atlantic Ocean when planning the location of the first transatlantic telegraph cables, which turned out to be mainly composed of the shells of Globigerina bulloides.[1]

Description[edit]

Globigerina has a globose, trochospirally enrolled test composed of spherical to ovate but not radially elongate cham­bers that enlarge rapidly as added, commonly with only three to five in the final whorl. The test (or shell) wall is calcareous, perforate, with cylindrical pores. During life the surface has numerous long slender spines that are broken on dead or fossil shells, the short blunt remnants resulting in a hispid surface. The aperture a high umbilical arch that may be bordered by an imperforate rim or narrow lip. No secondary apertures.

Species[edit]

Globigeria includes the following species (extinct species marked with a crucifix,†)

References[edit]

  • Alfred R. Loeblich Jr and Helen Tappan, 1964. Sarcodina Chiefly "Thecamoebians" and Foraminiferida; Treatise on Invertebrate Paleontology, Part C Protista 2. Geological Society of America and University of Kansas Press.
  • __ and __,1988. Forminiferal Genera and their Classification. [1] GSI E-book
  • Bruce Hayward & Onno Gross (2012) Globigerina d'Orbigny, 1826 World Modern Foraminifera Database. WoRMS April 11, 2012
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